(maint) update redis_reconnect_attempts format

Author: isaac-hammes

helm-charts/vmpooler/values.yaml

@@ -18,7 +18,7 @@ timeout: '15'
 
 redis_connection_pool_size: '200'
 redis_connection_pool_timeout: '40'
-redis_reconnect_attempts: '40'
+redis_reconnect_attempts: '[0,0.25,0.5,1,2,4,8,16,32,64,128,256,512]'
 
 :dns_configs:
   :example: